Finding the Fourth Proportional to 270,203.68, 404,977.79 and 198,461.09
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Solution
The fourth proportional to 270,203.68, 404,977.79 and 198,461.09 is: 297,450.93
Step by Step Solution
- Step 1: Write the proportion equation
270,203.68 : 404,977.79 = 198,461.09 : x - Step 2: Convert to fraction form
270,203.68/404,977.79 = 198,461.09/x - Step 3: Cross multiply
270,203.68x = 404,977.79 × 198,461.09 - Step 4: Simplify right side
270,203.68x = 80,372,335,137.79 - Step 5: Solve for x
x = 80,372,335,137.79/270,203.68 - Step 6: Final answer
x = 297,450.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.